Dwarf fish including Guppies and Danios, Corydora catfish, pigmy suckermouths, groups of barbs or tetras Plecostomus catfish, or maybe plecos for brief, are a large team of South American Catfish that hang out on The underside of lakes and rivers and graze on rocks and driftwood. Plecos are wonderful algae https://pearlaquatics.my/product/sobo5x2x3/